doc updates (links to fsic2022 presentation)

XSchemWin/XSchemWix/xschemrc

@@ -106,6 +106,7 @@
 #### variable controls hierarchical print
 #### default value: empty
 # set noprint_libs {}
+
 ###########################################################################
 #### CHANGE DEFAULT [] WITH SOME OTHER CHARACTERS FOR BUSSED SIGNALS 
 #### IN SPICE NETLISTS (EXAMPLE: DATA[7] --> DATA<7>) 
@@ -151,6 +152,10 @@
 #### default: 0
 # set persistent_command 1
 
+#### if set to 1 a wire is inserted when separating components that are
+#### connected by pins. Default: not enabled (0)
+# set connect_by_kissing 1
+
 #### if set to 1 automatically join/trim wires while editing
 #### this may slow down on rally big designs. Can be disabled via menu 
 #### default: 0
@@ -166,6 +171,15 @@
 #### enable to scale grid point size as done with lines at close zoom, default: 0
 # set big_grid_points 0
 
+#### enable grouping contiguous bits of bus slices in net->pin instance
+#### assignments for verilog netlists. Default: disabled (0)
+# set verilog_bitblast 0
+
+#### allow searching the full search path for schematics associated to symbols
+#### instead of looking only in symbol directory. Default: disabled (0).
+# set search_schematic 0
+
+
 ###########################################################################
 #### EXPORT FORMAT TRANSLATORS, PNG AND PDF
 ###########################################################################
@@ -323,7 +337,7 @@ set editor {notepad.exe}
 #### XSCHEM TOOLBAR
 ###########################################################################
 #### default: not enabled.
-set toolbar_visible 1
+# set toolbar_visible 1
 # set toolbar_horiz   1
 
 ###########################################################################
@@ -331,4 +345,17 @@ set toolbar_visible 1
 ###########################################################################
 # default: not enabled. Interface can be changed runtime if only one window 
 # or tab is open.
-# set tabbed_interface 1
+# set tabbed_interface 1
+
+###########################################################################
+#### CASE INSENSITIVE SYMBOL LOOKUP
+###########################################################################
+## this option might be useful on filesystems that are case insensitive and
+## on designs ported from windows where case of file names does not matter.
+## if this option is set symbol lookup will be case insensitive,
+## so a symbol reference 'AMPLI.SYM' will match with 'ampli.sym' or
+## Amply.sym on disk. File system must be case insensitive for this to work,
+## like FAT32 or NTFS.
+## Do not set this option if you don't know what you are doing.
+## Default: not enabled (0)
+# set case_insensitive 1

doc/xschem_man/xschem_man.html

@@ -21,7 +21,11 @@
  <!-- slide title -->
 <br><br>
 <div class="idx">
- <h2><a href="tutorial_xschem_slides.html">Xschem slides</a></h2>
+ <h2>
+  <a href="tutorial_xschem_slides.html">Xschem slides</a>
+  <a href="https://xschem.sourceforge.io/stefan/xschem_man/video_tutorials/xschem_fsic2022_presentation.pdf">[PDF version]</a>
+ </h2>
+ <h2><a href="https://xschem.sourceforge.io/stefan/xschem_man/video_tutorials/xschem_fsic2022_presentation.mp4">[Video] Xschem FSiC2022 presentation</a></h2>
  <h3><a href="https://xschem.sourceforge.io/stefan/xschem_man/xschem_man.pdf">
    All in one pdf documentation (repo.hu, github, sourceforge version with autoconfig)</a></h3>
 

scconfig/hooks.c

@@ -216,6 +216,7 @@ int hook_detect_target()
 			}
                         */
 		}
+                append("cc/cflags", " -Werror=format-security");
 	}
 
 	if (require("libs/io/popen/*",  0, 0) != 0) {

scconfig/src/default/find_fstools.c

@@ -638,19 +638,31 @@ int find_fstools_ranlib(const char *name, int logdepth, int fatal)
 {
 	const char *ranlib, *target;
 	char *targetranlib;
-	int len;
+	int len, no_cc, no_ar;
 	char *test_code = NL "int zero() { return 0; }" NL;
 	char *obj = ".o";
 
 	(void) fatal; /* to suppress compiler warnings about not using fatal */
 
-	require("fstools/ar", logdepth, fatal);
+	no_ar = require("fstools/ar", logdepth, fatal);
-	require("cc/cc", logdepth, fatal);
+	no_cc = require("cc/cc", logdepth, fatal);
 
 	report("Checking for ranlib... ");
 	logprintf(logdepth, "find_fstools_ranlib: trying to find ranlib...\n");
 	logdepth++;
 
+	if (no_cc) {
+		report("can't test (no c compiler)\n");
+		logprintf(logdepth, "find_fstools_ranlib: can't test (no c compiler)\n");
+		return 1;
+	}
+
+	if (no_ar) {
+		report("can't test (no ar)\n");
+		logprintf(logdepth, "find_fstools_ranlib: can't test (no ar)\n");
+		return 1;
+	}
+
 	logprintf(logdepth, "compiling test object...\n");
 	if (compile_code(logdepth+1, test_code, &obj, NULL, "-c", NULL) != 0) {
 		logprintf(logdepth, "ERROR: Can't compile test object\n");

scconfig/src/default/lib_compile.c

@@ -84,7 +84,12 @@ int compile_file_raw(int logdepth, const char *fn_input, char **fn_output, const
 		*fn_output = tempfile_new(*fn_output);
 	unlink(*fn_output);
 
-	cc_esc = shell_escape_dup(cc == NULL ? get("cc/cc") : cc);
+	cc_esc = (cc == NULL ? get("cc/cc") : cc);
+	if (cc_esc == NULL) {
+		error("Trying to compile without a compiler available (cc/cc is empty)\n");
+		abort();
+	}
+	cc_esc = shell_escape_dup(cc_esc);
 	fn_input_esc = shell_escape_dup(fn_input);
 	fn_output_esc = shell_escape_dup(*fn_output);
 	temp_out_esc = shell_escape_dup(temp_out);